# A215071 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 4
5 12
6 39
7 138
8 503
9 1864
10 6936
11 25868
12 96512
13 360203
14 1344408
15 5018051
16 18729944
17 69910398
18 260943079
19 973980990
20 3635421345
21 13569354266
22 50648137765
23 189046143161